Home / 13,217,456.50-19,821,694.32-4,579,540.74

Finding the Fourth Proportional to 13,217,456.50, 19,821,694.32 and 4,579,540.74

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Solution

The fourth proportional to 13,217,456.50, 19,821,694.32 and 4,579,540.74 is: 6,867,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,456.50 : 19,821,694.32 = 4,579,540.74 : x
  2. Step 2: Convert to fraction form
    13,217,456.50/19,821,694.32 = 4,579,540.74/x
  3. Step 3: Cross multiply
    13,217,456.50x = 19,821,694.32 × 4,579,540.74
  4. Step 4: Simplify right side
    13,217,456.50x = 90,774,256,674,266.61
  5. Step 5: Solve for x
    x = 90,774,256,674,266.61/13,217,456.50
  6. Step 6: Final answer
    x = 6,867,755.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.